02 Jeep Grand Cherokee makes binding/grinding noise from diferential. - JeepForum.com
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post #1 of 12 Old 12-09-2019, 11:12 PM Thread Starter
ChrisBro
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02 Jeep Grand Cherokee makes binding/grinding noise from diferential.

Hi everyone in JGC land. I have a 2002 JGC that started making a bindind / grinding sound when making slow left or right turns which seems to be coming from the rear diff. Once I straighten out the noise is gone. I recently changed the rotors, brake pads, shocks and diff fluid. I have not added a limited slip friction modifier yet but am hoping this will solve my problem.

Any advice would be greatly appreciated.

Thank you.

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post #2 of 12 Old 12-15-2019, 10:58 AM
Photoweborama
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Yes, the friction modifier will fix it. If itís the Chrysler stuff, dump the whole bottle in..


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post #3 of 12 Old 12-15-2019, 01:28 PM
GmanWJ
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If you have limited slip diff, the friction modifier is not optional. Add it, let it work in, noise should go away.


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ok mostly just repairs, but we are closing in on a lift
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post #4 of 12 Old 12-15-2019, 01:34 PM
SD Overland
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The WJJeeps website pretty much has you covered. There are specific amounts of friction modifier to add, depending on your axle, in order for it to work properly.
http://wjjeeps.com/service/maintenance_wj.htm

Buy this and add it in.
https://www.amazon.com/Genuine-Mopar...d+%2Caps%2C195
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post #5 of 12 Old 12-16-2019, 02:16 PM Thread Starter
ChrisBro
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Quote:
Originally Posted by Photoweborama View Post
Yes, the friction modifier will fix it. If it’s the Chrysler stuff, dump the whole bottle in..


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Thank you for your response, I really appreciate it. I have since added the FM and noise is gone. Thanks again.
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post #6 of 12 Old 12-16-2019, 02:17 PM Thread Starter
ChrisBro
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Quote:
Originally Posted by GmanWJ View Post
If you have limited slip diff, the friction modifier is not optional. Add it, let it work in, noise should go away.

Thank you for your response, I really appreciate it. I have since added the FM and noise is gone. Thanks again.
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post #7 of 12 Old 12-16-2019, 02:18 PM Thread Starter
ChrisBro
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Quote:
Originally Posted by SD Overland View Post
The WJJeeps website pretty much has you covered. There are specific amounts of friction modifier to add, depending on your axle, in order for it to work properly.
http://wjjeeps.com/service/maintenance_wj.htm

Buy this and add it in.
http://www.amazon.com/Genuine-Mopar-...d+%2Caps%2C195

Thank you for your response, I really appreciate it. I have since added the FM and noise is gone. Thanks again.
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post #8 of 12 Old 12-16-2019, 02:30 PM Thread Starter
ChrisBro
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02 Jeep Grand Cherokee 4.7l H.O

Hi everyone, my jeep is leaking transmission fluid from where the tranny meets/mounts to the motor. I did notice that after replacing my radiator i had connected my transmission cooler lines backwards on the radiator but have since fixed this. Im hoping that it would help with the leak but i guess time will tell. If anyone knows of why else it could be leaking please let me know.

Quada-drive all-time all wheel drive.
4X4

Thank you.
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post #9 of 12 Old 12-16-2019, 02:41 PM
GmanWJ
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Quote:
Originally Posted by ChrisBro View Post
Hi everyone, my jeep is leaking transmission fluid from where the tranny meets/mounts to the motor. I did notice that after replacing my radiator i had connected my transmission cooler lines backwards on the radiator but have since fixed this. Im hoping that it would help with the leak but i guess time will tell. If anyone knows of why else it could be leaking please let me know.

Quada-drive all-time all wheel drive.
4X4

Thank you.

Are you sure it's transmission fluid and not motor oil? The rear main seal is back there and likes to spring leaks after 15 years.


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ok mostly just repairs, but we are closing in on a lift
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post #10 of 12 Old 12-16-2019, 03:23 PM Thread Starter
ChrisBro
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It's red so I'm assuming it's transmission fluid.
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post #11 of 12 Old 12-16-2019, 03:44 PM
wildbill23c
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Originally Posted by ChrisBro View Post
It's red so I'm assuming it's transmission fluid.
Front transmission seal, or torque converter leaking would be my assumption...possibly a transmission cooler line leaking but I think those lines enter and exit the transmission from the passenger side.
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post #12 of 12 Old 12-16-2019, 03:59 PM Thread Starter
ChrisBro
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Here is a picture of the fluid color. I was just under there with the Jeep on and it is dripping pretty bad when it's on but stops when it's off.
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